<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>render函数</title>
</head>

<body>
  <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
  <div id="demo">
  </div>
  <script>
  var vm =new Vue({el:"#demo",render(){
    
  }})
  </script>
</body>

</html>